1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.spring.context;
24  
25  import com.liferay.portal.bean.BeanLocatorImpl;
26  import com.liferay.portal.kernel.bean.BeanLocator;
27  import com.liferay.portal.kernel.bean.PortletBeanLocatorUtil;
28  import com.liferay.portal.kernel.log.Log;
29  import com.liferay.portal.kernel.log.LogFactoryUtil;
30  import com.liferay.portal.kernel.portlet.PortletClassLoaderUtil;
31  
32  import java.lang.reflect.Method;
33  
34  import javax.servlet.ServletContext;
35  import javax.servlet.ServletContextEvent;
36  
37  import org.springframework.context.ApplicationContext;
38  import org.springframework.web.context.ContextLoader;
39  import org.springframework.web.context.ContextLoaderListener;
40  import org.springframework.web.context.WebApplicationContext;
41  import org.springframework.web.context.support.WebApplicationContextUtils;
42  
43  /**
44   * <a href="PortletContextLoaderListener.java.html"><b><i>View Source</i></b>
45   * </a>
46   *
47   * @author Brian Wing Shun Chan
48   * @see    PortletApplicationContext
49   * @see    PortletContextLoader
50   */
51  public class PortletContextLoaderListener extends ContextLoaderListener {
52  
53      public void contextDestroyed(ServletContextEvent event) {
54          ClassLoader classLoader = PortletClassLoaderUtil.getClassLoader();
55  
56          ServletContext servletContext = event.getServletContext();
57  
58          try {
59              Class<?> beanLocatorUtilClass = Class.forName(
60                  "com.liferay.util.bean.PortletBeanLocatorUtil", true,
61                  classLoader);
62  
63              Method setBeanLocatorMethod = beanLocatorUtilClass.getMethod(
64                  "setBeanLocator", new Class[] {BeanLocator.class});
65  
66              setBeanLocatorMethod.invoke(
67                  beanLocatorUtilClass, new Object[] {null});
68  
69              PortletBeanLocatorUtil.setBeanLocator(
70                  servletContext.getServletContextName(), null);
71          }
72          catch (Exception e) {
73              _log.error(e, e);
74          }
75  
76          super.contextDestroyed(event);
77      }
78  
79      public void contextInitialized(ServletContextEvent event) {
80          super.contextInitialized(event);
81  
82          ClassLoader classLoader = PortletClassLoaderUtil.getClassLoader();
83  
84          ServletContext servletContext = event.getServletContext();
85  
86          ApplicationContext applicationContext =
87              WebApplicationContextUtils.getWebApplicationContext(servletContext);
88  
89          BeanLocator beanLocator = new BeanLocatorImpl(
90              classLoader, applicationContext);
91  
92          try {
93              Class<?> beanLocatorUtilClass = Class.forName(
94                  "com.liferay.util.bean.PortletBeanLocatorUtil", true,
95                  classLoader);
96  
97              Method setBeanLocatorMethod = beanLocatorUtilClass.getMethod(
98                  "setBeanLocator", new Class[] {BeanLocator.class});
99  
100             setBeanLocatorMethod.invoke(
101                 beanLocatorUtilClass, new Object[] {beanLocator});
102 
103             PortletBeanLocatorUtil.setBeanLocator(
104                 servletContext.getServletContextName(), beanLocator);
105         }
106         catch (Exception e) {
107             _log.error(e, e);
108         }
109 
110         servletContext.removeAttribute(
111             WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE);
112     }
113 
114     protected ContextLoader createContextLoader() {
115         return new PortletContextLoader();
116     }
117 
118     private static Log _log =
119         LogFactoryUtil.getLog(PortletContextLoaderListener.class);
120 
121 }